diff options
Diffstat (limited to 'recipes/linux/linux/simpad/linux-2.6.24-SIMpad-battery-old-way-but-also-with-sysfs.patch')
| -rw-r--r-- | recipes/linux/linux/simpad/linux-2.6.24-SIMpad-battery-old-way-but-also-with-sysfs.patch | 571 |
1 files changed, 571 insertions, 0 deletions
diff --git a/recipes/linux/linux/simpad/linux-2.6.24-SIMpad-battery-old-way-but-also-with-sysfs.patch b/recipes/linux/linux/simpad/linux-2.6.24-SIMpad-battery-old-way-but-also-with-sysfs.patch new file mode 100644 index 0000000000..35f192ada2 --- /dev/null +++ b/recipes/linux/linux/simpad/linux-2.6.24-SIMpad-battery-old-way-but-also-with-sysfs.patch @@ -0,0 +1,571 @@ +diff -Nur linux-2.6.24.vanilla/drivers/mfd/Makefile linux-2.6.24/drivers/mfd/Makefile +--- linux-2.6.24.vanilla/drivers/mfd/Makefile 2008-01-24 23:58:37.000000000 +0100 ++++ linux-2.6.24/drivers/mfd/Makefile 2008-02-20 21:27:39.000000000 +0100 +@@ -12,3 +12,7 @@ + ifeq ($(CONFIG_SA1100_ASSABET),y) + obj-$(CONFIG_MCP_UCB1200) += ucb1x00-assabet.o + endif ++ ++ifeq ($(CONFIG_SA1100_SIMPAD),y) ++obj-$(CONFIG_MCP_UCB1200) += ucb1x00-simpad.o ++endif +diff -Nur linux-2.6.24.vanilla/drivers/mfd/ucb1x00-simpad.c linux-2.6.24/drivers/mfd/ucb1x00-simpad.c +--- linux-2.6.24.vanilla/drivers/mfd/ucb1x00-simpad.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.24/drivers/mfd/ucb1x00-simpad.c 2008-02-20 21:27:39.000000000 +0100 +@@ -0,0 +1,226 @@ ++/* ++ * linux/drivers/mfd/ucb1x00-simpad.c ++ * ++ * Copyright (C) 2001-2003 Russell King, All Rights Reserved. ++ * 2007/03/18 mrdata: ++ * - adapted ucb1x00-assabet.c ++ * - transfer ucb1x00-simpad.c from kernel24 ++ * to new structur of kernel26 ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License. ++ * ++ * We handle the machine-specific bits of the UCB1x00 driver here. ++ */ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/fs.h> ++#include <linux/proc_fs.h> ++#include <linux/device.h> ++ ++#include <linux/apm-emulation.h> ++ ++#include <asm/dma.h> ++ ++#include <asm/arch/simpad.h> ++#include <asm/arch-sa1100/simpad_pm.h> ++ ++#include "ucb1x00.h" ++#include "ucb1x00-simpad.h" ++ ++#define UCB1X00_ATTR(name,input,designation) \ ++static ssize_t name##_show(struct class_device *dev, char *buf) \ ++{ \ ++ struct ucb1x00 *ucb = classdev_to_ucb1x00(dev); \ ++ int val; \ ++ ucb1x00_adc_enable(ucb); \ ++ val = ucb1x00_adc_read(ucb, input, UCB_NOSYNC); \ ++ ucb1x00_adc_disable(ucb); \ ++ return sprintf(buf, "%d\n", CALIBRATE_##designation(val)); \ ++} \ ++static CLASS_DEVICE_ATTR(name,0444,name##_show,NULL) ++ ++UCB1X00_ATTR(vbatt, UCB_ADC_INP_AD1, BATTERY); ++UCB1X00_ATTR(vcharger, UCB_ADC_INP_AD2, SUPPLY); ++UCB1X00_ATTR(icharger, UCB_ADC_INP_AD3, CHARGING); ++ ++static struct ucb1x00 *ucb_alt; ++ ++#define UCB1X00_WERT(name,input,designation) \ ++static int ucb1x00_simpad_read_##name(struct ucb1x00 *ucb_alt) \ ++{ \ ++ int val; \ ++ ucb1x00_adc_enable(ucb_alt); \ ++ val = ucb1x00_adc_read(ucb_alt, input, UCB_NOSYNC); \ ++ ucb1x00_adc_disable(ucb_alt); \ ++ return CALIBRATE_##designation(val); \ ++} ++ ++UCB1X00_WERT(vbatt, UCB_ADC_INP_AD1, BATTERY); ++UCB1X00_WERT(vcharger, UCB_ADC_INP_AD2, SUPPLY); ++UCB1X00_WERT(icharger, UCB_ADC_INP_AD3, CHARGING); ++ ++static int ucb1x00_simpad_add(struct ucb1x00_dev *dev) ++{ ++ class_device_create_file(&dev->ucb->cdev, &class_device_attr_vbatt); ++ class_device_create_file(&dev->ucb->cdev, &class_device_attr_vcharger); ++ class_device_create_file(&dev->ucb->cdev, &class_device_attr_icharger); ++ ucb_alt = dev->ucb; ++ return 0; ++} ++ ++static void ucb1x00_simpad_remove(struct ucb1x00_dev *dev) ++{ ++ class_device_remove_file(&dev->ucb->cdev, &class_device_attr_icharger); ++ class_device_remove_file(&dev->ucb->cdev, &class_device_attr_vcharger); ++ class_device_remove_file(&dev->ucb->cdev, &class_device_attr_vbatt); ++} ++ ++static struct ucb1x00_driver ucb1x00_simpad_driver = { ++ .add = ucb1x00_simpad_add, ++ .remove = ucb1x00_simpad_remove, ++}; ++ ++static int __init ucb1x00_simpad_init(void) ++{ ++ apm_get_power_status = simpad_apm_get_power_status; ++ return ucb1x00_register_driver(&ucb1x00_simpad_driver); ++} ++ ++static void __exit ucb1x00_simpad_exit(void) ++{ ++ apm_get_power_status = NULL; ++ ucb1x00_unregister_driver(&ucb1x00_simpad_driver); ++} ++ ++/****************************************************************************/ ++/* Functions exported for use by the kernel and kernel modules */ ++/****************************************************************************/ ++ ++int simpad_get_battery(struct simpad_battery_apm *bstat) ++{ ++ int icharger, vcharger, vbatt; ++ ++ if ( ucb_alt ) { ++ icharger = ucb1x00_simpad_read_icharger( ucb_alt ); ++ vcharger = ucb1x00_simpad_read_vcharger( ucb_alt ); ++ vbatt = ucb1x00_simpad_read_vbatt( ucb_alt ); ++ } else { ++ bstat->ac_status = SIMPAD_AC_STATUS_AC_UNKNOWN; ++ bstat->status = SIMPAD_BATT_STATUS_UNKNOWN; ++ bstat->percentage = 0x64; // lets say 100% ++ bstat->life = 330; // lets say a long time ++ return 0; ++ } ++ ++ /* AC status */ ++ bstat->ac_status = SIMPAD_AC_STATUS_AC_OFFLINE; ++ if ( vcharger>MIN_SUPPLY ) { ++ bstat->ac_status = SIMPAD_AC_STATUS_AC_ONLINE; ++ } ++ ++ /* charging */ ++ bstat->status = 0x0; ++ if ( icharger >= CHARGING_LED_LEVEL ) ++ bstat->status = SIMPAD_BATT_STATUS_CHARGING; ++ ++ if ( vbatt > BATT_LOW ) ++ bstat->status |= SIMPAD_BATT_STATUS_HIGH; ++ else if ( vbatt < BATT_CRITICAL ) ++ bstat->status |= SIMPAD_BATT_STATUS_CRITICAL; ++ else ++ bstat->status |= SIMPAD_BATT_STATUS_LOW; ++ ++ if (bstat->status & SIMPAD_BATT_STATUS_CHARGING) { ++ if (icharger > CHARGING_MAX_LEVEL) ++ icharger = CHARGING_MAX_LEVEL; ++ if (icharger < CHARGING_LED_LEVEL) ++ icharger = CHARGING_LED_LEVEL; ++ ++ bstat->percentage = 100 - 100 * (icharger - CHARGING_LED_LEVEL) / ++ (CHARGING_MAX_LEVEL - CHARGING_LED_LEVEL); ++ } else { ++ if (vbatt > BATT_FULL) ++ vbatt = BATT_FULL; ++ if (vbatt < BATT_EMPTY) ++ vbatt = BATT_EMPTY; ++ ++ bstat->percentage = 100 * (vbatt - BATT_EMPTY) / (BATT_FULL - BATT_EMPTY); ++ } ++ ++ /* let's assume: full load is 7h */ ++ /* bstat->life = 420*bstat->percentage/100; */ ++ /* mrdata: think, 4h is more realistic */ ++ bstat->life = 240*(bstat->percentage)/100; ++ ++#if 0 ++ printk("get_battery: ac: %02x / ch: %02x / perc: %02x / life: %d \n", ++ bstat->ac_status, bstat->status, ++ bstat->percentage, bstat->life ); ++#endif ++ ++ return 0; ++} ++ ++void simpad_apm_get_power_status(struct apm_power_info *info) ++{ ++ struct simpad_battery_apm bstat; ++ unsigned char ac = APM_AC_UNKNOWN; ++ unsigned char level = APM_BATTERY_STATUS_UNKNOWN; ++ int status, result; ++ ++ result = simpad_get_battery(&bstat); ++ if (result) { ++ printk("%s: unable to access battery information: result=%d\n", __FUNCTION__, result); ++ return; ++ } ++ ++ switch (bstat.ac_status) { ++ case SIMPAD_AC_STATUS_AC_OFFLINE: ++ ac = APM_AC_OFFLINE; ++ break; ++ case SIMPAD_AC_STATUS_AC_ONLINE: ++ ac = APM_AC_ONLINE; ++ break; ++ case SIMPAD_AC_STATUS_AC_BACKUP: ++ ac = APM_AC_BACKUP; ++ break; ++ } ++ ++ info->ac_line_status = ac; ++ ++ status = bstat.status; ++ if (status & (SIMPAD_BATT_STATUS_CHARGING | SIMPAD_BATT_STATUS_CHARGE_MAIN)) ++ level = APM_BATTERY_STATUS_CHARGING; ++ else if (status & (SIMPAD_BATT_STATUS_HIGH | SIMPAD_BATT_STATUS_FULL)) ++ level = APM_BATTERY_STATUS_HIGH; ++ else if (status & SIMPAD_BATT_STATUS_LOW) ++ level = APM_BATTERY_STATUS_LOW; ++ else if (status & SIMPAD_BATT_STATUS_CRITICAL) ++ level = APM_BATTERY_STATUS_CRITICAL; ++ ++ info->battery_status = level; ++ info->battery_flag = info->battery_status; ++ ++ info->battery_life = bstat.percentage; ++ ++ /* we have a dumb battery - so we know nothing */ ++ info->time = bstat.life; ++ info->units = APM_UNITS_MINS; ++ ++#if 0 ++ printk("apm_get_power: ac: %02x / bs: %02x / bf: %02x / perc: %02x / life: %d\n", ++ info->ac_line_status, info->battery_status, info->battery_flag, ++ info->battery_life, info->time ); ++#endif ++ return; ++} ++ ++module_init(ucb1x00_simpad_init); ++module_exit(ucb1x00_simpad_exit); ++ ++ ++MODULE_AUTHOR("Juergen Messerer <juergen.messerer@freesurf.ch>"); ++MODULE_DESCRIPTION("SIMpad noddy testing only example ADC driver"); ++MODULE_LICENSE("GPL"); +diff -Nur linux-2.6.24.vanilla/drivers/mfd/ucb1x00-simpad.h linux-2.6.24/drivers/mfd/ucb1x00-simpad.h +--- linux-2.6.24.vanilla/drivers/mfd/ucb1x00-simpad.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.24/drivers/mfd/ucb1x00-simpad.h 2008-02-20 21:27:39.000000000 +0100 +@@ -0,0 +1,86 @@ ++/* ++ * linux/drivers/mfd/ucb1x00-simpad.h ++ * ++ * Copyright (C) 2001 Russell King, All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License. ++ */ ++#ifndef UCB1300_SIMPAD_H ++#define UCB1300_SIMPAD_H ++ ++/* ++ * Conversion from AD -> mV ++ * 7.5V = 1023 7.33137mV/Digit ++ * ++ * 400 Units == 9.7V ++ * a = ADC value ++ * 2007/03/24 mrdata: ++ * according UCB1300 datasheet ADC error max. 3 LSB ++ * 5-95% of full scale -> 3*7.33137mV = 21.99mV ++ * // old ++ * 21 = ADC error ++ * 12600 = Divident to get 2*7.3242 ++ * 860 = Divider to get 2*7.3242 ++ * 170 = Voltagedrop over ++ * ++ * // new ++ * 3 = ADC error ++ * 12610 = Divident to get 2*7.33139 ++ * 860 = Divider to get 2*7.33139 ++ * 170 = Voltagedrop over ++ */ ++// #define CALIBRATE_BATTERY(a) ((((a + 21)*12600)/860) + 170) ++#define CALIBRATE_BATTERY(a) ((((a + 3)*12610)/860) + 170) ++ ++/* ++ * We have two types of batteries a small and a large one ++ * To get the right value we to distinguish between those two ++ * 450 Units == 15 V ++ */ ++#ifdef SMALL_BATTERY ++#define CALIBRATE_SUPPLY(a) (((a) * 1500) / 51) ++#define MIN_SUPPLY 8500 /* Less then 8.5V means no powersupply */ ++#else ++#define CALIBRATE_SUPPLY(a) (((a) * 1500) / 45) ++//#define MIN_SUPPLY 14000 /* Less then 14V means no powersupply */ ++#define MIN_SUPPLY 12000 /* Less then 12V means no powersupply */ ++#endif ++ ++/* ++ * Charging Current ++ * if value is >= 50 then charging is on ++ */ ++// #define CALIBRATE_CHARGING(a) (((a) * 1000) / (152/4)) ++#define CALIBRATE_CHARGING(a) (a) ++//#define CHARGING_LED_LEVEL 50 ++ ++#ifdef CONFIG_SA1100_SIMPAD_SINUSPAD ++ ++// type small battery ++#define CHARGING_LED_LEVEL 12 ++#define CHARGING_MAX_LEVEL 120 ++#define BATT_FULL 8100 ++#define BATT_LOW 7300 ++#define BATT_CRITICAL 6700 ++#define BATT_EMPTY 6400 ++ ++#else // CONFIG_SA1100_SIMPAD_SINUSPAD ++ ++// type large battery ++// because of ADC error CHARGING_LED_LEVEL can changed ++// from 27 to 28 ++#define CHARGING_LED_LEVEL 27 ++#define CHARGING_MAX_LEVEL 265 ++// BATT_FULL with SIMPAD_AC_STATUS_AC_OFFLINE ++#define BATT_FULL 8100 ++#define BATT_LOW 7400 ++#define BATT_CRITICAL 6800 ++#define BATT_EMPTY 6500 ++ ++#endif // CONFIG_SA1100_SIMPAD_SINUSPAD ++ ++// int simpad_get_battery(struct simpad_battery_apm *bstat); ++ ++#endif +diff -Nur linux-2.6.24.vanilla/include/asm-arm/arch-sa1100/simpad_pm.h linux-2.6.24/include/asm-arm/arch-sa1100/simpad_pm.h +--- linux-2.6.24.vanilla/include/asm-arm/arch-sa1100/simpad_pm.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.24/include/asm-arm/arch-sa1100/simpad_pm.h 2008-02-20 21:27:39.000000000 +0100 +@@ -0,0 +1,236 @@ ++/* ++* Abstraction interface for microcontroller connection to rest of system ++* ++* Copyright 2003 Peter Pregler ++* Copyright 2000,1 Compaq Computer Corporation. ++* ++* Use consistent with the GNU GPL is permitted, ++* provided that this copyright notice is ++* preserved in its entirety in all copies and derived works. ++* ++* COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED, ++* AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS ++* FITNESS FOR ANY PARTICULAR PURPOSE. ++* ++* Author: Peter Pregler (based on work for ipaq by Andrew Christian) ++* ++*/ ++ ++#ifndef __SIMPAD_HAL_H ++#define __SIMPAD_HAL_H ++ ++#include <linux/apm-emulation.h> ++ ++struct simpad_battery_apm { ++ unsigned char ac_status; /* line connected yes/no */ ++ unsigned char status; /* battery loading yes/no */ ++ unsigned char percentage; /* percentage loaded */ ++ unsigned short life; /* life till empty */ ++}; ++ ++extern void simpad_apm_get_power_status(struct apm_power_info *); ++ ++// extern int simpad_get_battery(struct simpad_battery_apm *bstat); ++ ++/* These should match the apm_bios.h definitions */ ++#define SIMPAD_AC_STATUS_AC_OFFLINE 0x00 ++#define SIMPAD_AC_STATUS_AC_ONLINE 0x01 ++#define SIMPAD_AC_STATUS_AC_BACKUP 0x02 /* What does this mean? */ ++#define SIMPAD_AC_STATUS_AC_UNKNOWN 0xff ++ ++ ++/* These bitfields are rarely "or'd" together */ ++#define SIMPAD_BATT_STATUS_HIGH 0x01 ++#define SIMPAD_BATT_STATUS_LOW 0x02 ++#define SIMPAD_BATT_STATUS_CRITICAL 0x04 ++#define SIMPAD_BATT_STATUS_CHARGING 0x08 ++#define SIMPAD_BATT_STATUS_CHARGE_MAIN 0x10 ++#define SIMPAD_BATT_STATUS_DEAD 0x20 /* Battery will not charge */ ++#define SIMPAD_BATT_NOT_INSTALLED 0x20 /* For expansion pack batteries */ ++#define SIMPAD_BATT_STATUS_FULL 0x40 /* Battery fully charged (and connected to AC) */ ++#define SIMPAD_BATT_STATUS_NOBATT 0x80 ++#define SIMPAD_BATT_STATUS_UNKNOWN 0xff ++ ++#if 0 // FIXME ++#include <linux/simpad_ts.h> ++ ++enum simpad_asset_type { ++ ASSET_TCHAR = 0, ++ ASSET_SHORT, ++ ASSET_LONG ++}; ++ ++#define TTYPE(_type) (((unsigned int)_type) << 8) ++#define TCHAR(_len) (TTYPE(ASSET_TCHAR) | (_len)) ++#define TSHORT TTYPE(ASSET_SHORT) ++#define TLONG TTYPE(ASSET_LONG) ++#define ASSET(_type,_num) ((((unsigned int)_type)<<16) | (_num)) ++ ++#define ASSET_HM_VERSION ASSET( TCHAR(10), 0 ) /* 1.1, 1.2 */ ++#define ASSET_SERIAL_NUMBER ASSET( TCHAR(40), 1 ) /* Unique iPAQ serial number */ ++#define ASSET_MODULE_ID ASSET( TCHAR(20), 2 ) /* E.g., "iPAQ 3700" */ ++#define ASSET_PRODUCT_REVISION ASSET( TCHAR(10), 3 ) /* 1.0, 2.0 */ ++#define ASSET_PRODUCT_ID ASSET( TSHORT, 4 ) /* 2 = Palm-sized computer */ ++#define ASSET_FRAME_RATE ASSET( TSHORT, 5 ) ++#define ASSET_PAGE_MODE ASSET( TSHORT, 6 ) /* 0 = Flash memory */ ++#define ASSET_COUNTRY_ID ASSET( TSHORT, 7 ) /* 0 = USA */ ++#define ASSET_IS_COLOR_DISPLAY ASSET( TSHORT, 8 ) /* Boolean, 1 = yes */ ++#define ASSET_ROM_SIZE ASSET( TSHORT, 9 ) /* 16, 32 */ ++#define ASSET_RAM_SIZE ASSET( TSHORT, 10 ) /* 32768 */ ++#define ASSET_HORIZONTAL_PIXELS ASSET( TSHORT, 11 ) /* 240 */ ++#define ASSET_VERTICAL_PIXELS ASSET( TSHORT, 12 ) /* 320 */ ++ ++#define ASSET_TYPE(_asset) (((_asset)&0xff000000)>>24) ++#define ASSET_TCHAR_LEN(_asset) (((_asset)&0x00ff0000)>>16) ++#define ASSET_NUMBER(_asset) ((_asset)&0x0000ffff) ++ ++#define MAX_TCHAR_LEN 40 ++ ++struct simpad_asset { ++ unsigned int type; ++ union { ++ unsigned char tchar[ MAX_TCHAR_LEN ]; ++ unsigned short vshort; ++ unsigned long vlong; ++ } a; ++}; ++ ++/******************************************************************** ++ * Interface to the hardware-type specific functions ++ * ++ * get_version Read the version number of the microcontroller on the option pack SPI bus ++ * spi_read Reads from the serial EEPROM memory on the option pack SPI bus ++ * spi_write Write to the serial EEPROM memory on the option pack SPI bus ++ * get_option_detect Returns whether or not an option pack is present ++ * ++ * get_thermal_sensor Return measured temperature of the unit, in units of 0.125 deg C ++ * set_notify_led Turns on, off, or blinks the Green LED ++ * read_light_sensor Returns the value of the front light sensor ++ * get_battery Returns the current voltage and charging state of all batteries ++ * audio_clock Sets the audio CODEC to run at a particular rate ++ * audio_power Turns on/off audio CODEC (internally calls audio_clock) ++ * audio_mute Mutes the audio CODEC ++ * asset_read Extracts PocketPC-style asset information from persistent memory ++ * backlight_control Adjusts the backlight level (only on/off for 3100) ++ * ++ * ++ * iPAQ 3100 only ++ * ============== ++ * codec_control Reset/mute/control level of 3100 audio codec ++ * contrast_control Adjusts the contrast level (only for 3100) ++ * ++ * iPAQ 3600, 3700 only ++ * ==================== ++ * eeprom_read Reads from the asset information on the eeprom of a 3600 (deprecated) ++ * eeprom_write Writes to the asset information on the eeprom (deprecated) ++ * ++ * The interfaces to the EEPROM functions are maintained only because the simpad_ts driver has ++ * a deprecated ioctl call for them. They are used internally by the "asset_read" function. ++ * ++ * iPAQ 3800, 3900 only ++ * ==================== ++ * set_ebat Tells enhanced PCMCIA sleeves that this iPAQ can handle ++ * a wider voltage range (applies to 3800, 3900) ++ * ++ *********************************************************************/ ++ ++struct simpad_hal_ops { ++ /* Functions provided by the underlying hardware */ ++ int (*get_version)( struct simpad_ts_version * ); ++ int (*eeprom_read)( unsigned short address, unsigned char *data, unsigned short len ); ++ int (*eeprom_write)( unsigned short address, unsigned char *data, unsigned short len ); ++ int (*get_thermal_sensor)( unsigned short * ); ++ int (*set_notify_led)( unsigned char mode, unsigned char duration, ++ unsigned char ontime, unsigned char offtime ); ++ int (*read_light_sensor)( unsigned char *result ); ++ int (*get_battery)( struct simpad_battery * ); ++ int (*spi_read)( unsigned short address, unsigned char *data, unsigned short len ); ++ int (*spi_write)( unsigned short address, unsigned char *data, unsigned short len ); ++ int (*codec_control)( unsigned char, unsigned char ); ++ int (*get_option_detect)( int *result ); ++ int (*audio_clock)( long samplerate ); ++ int (*audio_power)( long samplerate ); ++ int (*audio_mute)( int mute ); ++ int (*asset_read)( struct simpad_asset *asset ); ++ int (*set_ebat)( void ); ++ ++ /* Functions indirectly provided by the underlying hardware */ ++ int (*backlight_control)( enum flite_pwr power, unsigned char level ); ++ int (*contrast_control)( unsigned char level ); ++ ++ /* for module use counting */ ++ struct module *owner; ++}; ++ ++/* Used by the device-specific hardware module to register itself */ ++extern int simpad_hal_register_interface( struct simpad_hal_ops *ops ); ++extern void simpad_hal_unregister_interface( struct simpad_hal_ops *ops ); ++ ++/* ++ * Calls into HAL from the device-specific hardware module ++ * These run at interrupt time ++ */ ++extern void simpad_hal_keypress( unsigned char key ); ++extern void simpad_hal_touchpanel( unsigned short x, unsigned short y, int down ); ++extern void simpad_hal_option_detect( int present ); ++ ++/* Callbacks registered by device drivers */ ++struct simpad_driver_ops { ++ void (*keypress)( unsigned char key ); ++ void (*touchpanel)( unsigned short x, unsigned short y, int down ); ++ void (*option_detect)( int present ); ++}; ++ ++extern int simpad_hal_register_driver( struct simpad_driver_ops * ); ++extern void simpad_hal_unregister_driver( struct simpad_driver_ops * ); ++ ++ ++/* Calls into HAL from device drivers and other kernel modules */ ++extern void simpad_get_flite( struct simpad_ts_backlight *bl ); ++extern void simpad_get_contrast( unsigned char *contrast ); ++extern int simpad_set_flite( enum flite_pwr pwr, unsigned char brightness ); ++extern int simpad_set_contrast( unsigned char contrast ); ++extern int simpad_toggle_frontlight( void ); ++ ++extern int simpad_apm_get_power_status(unsigned char *ac_line_status, unsigned char *battery_status, ++ unsigned char *battery_flag, unsigned char *battery_percentage, ++ unsigned short *battery_life); ++ ++extern struct simpad_hal_ops *simpad_hal_ops; ++ ++/* Do not use this macro in driver files - instead, use the inline functions defined below */ ++#define CALL_HAL( f, args... ) \ ++ { int __result = -EIO; \ ++ if ( simpad_hal_ops && simpad_hal_ops->f ) { \ ++ __MOD_INC_USE_COUNT(simpad_hal_ops->owner); \ ++ __result = simpad_hal_ops->f(args); \ ++ __MOD_DEC_USE_COUNT(simpad_hal_ops->owner); \ ++ } \ ++ return __result; } ++ ++#define HFUNC static __inline__ int ++ ++/* The eeprom_read/write address + len has a maximum value of 512. Both must be even numbers */ ++HFUNC simpad_eeprom_read( u16 addr, u8 *data, u16 len ) CALL_HAL(eeprom_read,addr,data,len) ++HFUNC simpad_eeprom_write( u16 addr, u8 *data, u16 len) CALL_HAL(eeprom_write,addr,data,len) ++HFUNC simpad_spi_read( u8 addr, u8 *data, u16 len) CALL_HAL(spi_read,addr,data,len) ++HFUNC simpad_spi_write( u8 addr, u8 *data, u16 len) CALL_HAL(spi_write,addr,data,len) ++HFUNC simpad_get_version( struct simpad_ts_version *v ) CALL_HAL(get_version,v) ++HFUNC simpad_get_thermal_sensor( u16 *thermal ) CALL_HAL(get_thermal_sensor,thermal) ++HFUNC simpad_set_led( u8 mode, u8 dur, u8 ont, u8 offt ) CALL_HAL(set_notify_led, mode, dur, ont, offt) ++HFUNC simpad_get_light_sensor( u8 *result ) CALL_HAL(read_light_sensor,result) ++HFUNC simpad_get_battery( struct simpad_battery *bat ) CALL_HAL(get_battery,bat) ++HFUNC simpad_get_option_detect( int *result) CALL_HAL(get_option_detect,result) ++HFUNC simpad_audio_clock( long samplerate ) CALL_HAL(audio_clock,samplerate) ++HFUNC simpad_audio_power( long samplerate ) CALL_HAL(audio_power,samplerate) ++HFUNC simpad_audio_mute( int mute ) CALL_HAL(audio_mute,mute) ++HFUNC simpad_asset_read( struct simpad_asset *asset ) CALL_HAL(asset_read,asset) ++HFUNC simpad_set_ebat( void ) CALL_HAL(set_ebat) ++ ++/* Don't use these functions directly - rather, call {get,set}_{flite,contrast} */ ++ /* Functions indirectly provided by the underlying hardware */ ++HFUNC simpad_backlight_control( enum flite_pwr p, u8 v ) CALL_HAL(backlight_control,p,v) ++HFUNC simpad_contrast_control( u8 level ) CALL_HAL(contrast_control,level) ++ ++#endif ++#endif |